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mide as well put a wide band and data logging in it.... i mean while we are at it (this is facetious wide band cant run on leaded or in a pre mix engine for long without burning out)

that is one of my projects im working on right now. 2 indicators. 1 for fuel and 1 for battery voltage (total loss friendly)

just making sure :)

what gopro is that? rather than the screen im just planning on a test run streaming to the gf's phone as a preview before i ride.

this is y i cant live by the surf. surf day sickness would effect me often.

havent read the whole thread so it may have already been mentioned. but make sure u arent restricting water coming from the pump. all water flow restrictions should be done after the engine between it and the pisser.

god that rifle is beautiful

tell me it looks like a bana boat ride

ROFL have seen this before and consiered doing it but i need a crap prop...

Well my new dual stage 170 is going to set the world on fire!!!!!!! (can you tell im really bored today?)

MORE POWA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! It would be safer to run stock exhaust and stock boost on ur diesel....... but u went and varried away from oem recommendation on that now didnt you

lol only time i run 40:1 is on dyno oil for break in..... my 750sx has run 5 years on just penzoil tcw3 outboard oil at 50:1 without a hiccup.... idk guess i was told way wrong when i started running skis. have also heard that the royal purple likes a little more oil per gallon than some...

i tried the compromise ski. i hated it. im setting my 750sx up with tubbies and trim and -2" hull for boat chasing an surf. and running a flat water only hull with total loss and all the goodies. i dont want to boat chase on race gas lol.

im running 100LL with 205 psi compression. i love the properties of av gas and i have easy access to it at half the cost of actual race fuel. jetting can be a little funky due to the specific gravity but once you figure that out it runs amazing.

reading even 2013 threads that a 155 pump is only for the insane guys with 1200cc engines is funny.

yeah the tunnels run them almost as a surface drive. wicked ride.

ridden stock 144 mag 144 setback mag and stock 155. all with prop setup for the engine being run. the 155 thrust is so much cleaner and favors my style of riding. i will take volume over pressure any day. i am not trying to win a race. Tell me again how a 144 anything can outflow a 155 at any...

and people swear that big bore stock stroke is the way to go..... yet math and engineering principles say that it is actually the opposite.

its so nice having someone who knows theory and can apply it! we have a winner.

okay ill bite and play along. please explain further how this is logical. anything after the prop and any extra volume of tube creates loss an in pressure and more restriction and flow for every inch longer it is. and conversely a longer tunnel is front of the impeller will require more power...